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Home✈️Aircraft🚁Helicoptere-AlignOther › Trex 600 CF pics/assembly/video
07-19-2006 05:04 PM  14 years ago
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caseyjholmes

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Portland, Oregon

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Trex 600 CF pics/assembly/video
Heres a few shots of my Trex 600 CF coming together. I chose hitec HS-625 metal gear super torque servos for starters ($40 each). If they don't hold up well, I will move to digital high torque JR servos. I also went with the standard Futaba S9254 digital tail servo ( same old $99). I'm still debating PCM. I had this rx on my mikado and had a pcm lockout crash that was out of my control. I think I may just run a normal hitec electron RX, as I have had the best of luck with these on all my other helis besides my raptor. (I do use pcm 1024 on my raptor without a single issue ever.) I Should have it ready for radio programming by the end of the day..
Looks like I forgot to put the tail voltage regulator in the pictures..
The rear carbon fin is one I stole from my spare raptor parts box. It did not come with the heli.
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07-19-2006 05:38 PM  14 years ago
JeffM1999

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Erie, CO

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So they ended up not going with the helical main gear huh? Bummer. That looks like it is a pretty decent quality kit though. What was your impression during the build??
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07-19-2006 05:38 PM  14 years ago
caseyjholmes

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...and a pic of the painted canopy. Color is dark purple. Used an airbrush. I had to sand the fiberglass canopy coating perfore I could paint it.

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07-19-2006 05:41 PM  14 years ago
caseyjholmes

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I think this will be a great heli. everything went together easy, servo linkages line up to 90* everywhere, The frame seems stiff and rigid, and I like the 3rd main shaft bearing under the main gear. Without it, I'd imagine the frame would get some flex during heavy manouvers. No servo links hit the canopy, but the canopy does not have a bottom latch where it connects to the frame at the LG. It's just kindof held snug against the frame/lg/battery velcro by the normal raptor style canopy holes and grommets. I would have liked to have seen something better as far as canopy mounting, but the rest of the heli I couldn't find a single problem with yet. There is plenty of room for everything but the rx lipo, and I havn't decided where to put it yet. the RX will go in back, on top, where the gyro normally does, and the gyro will go on the gyro plate that the heli came with under the boom on the frame. I will probably velcro the rx lipo to the side of the frame with one of the included align velcro straps. I used one to hold the battery down. The CG seems a little bit to the rear if you ask me, but I think all TREX's are like that without extra cells..
I picked up the align lipo. I'm hoping with the sudgested setting the motor esc and lipo hold out on me! it's a 16C 22.2volt 2400mah lipo. Looks like a brick of thunder power batteries with a big thick PCB holding them together.

One other thing I really liked is the olive green anodizing on the aluminum parts. I think this is one of the first helis to come out with green anodized parts, stock from the box. It's hard to tell, but they are green! Look at the picture of the tail boom. You can also see the green in contrast of the rotor head to the blade grips. The grips are black plastic, but the rotor head hub is olive greeeeeeeeeeen. Looks great =)
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07-19-2006 05:59 PM  14 years ago
caseyjholmes

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Grand total on the helicopter (without a gyro or receiver) so far is to $1013.69 USD
heli: 599 (incl motor, esc, rx lipo, 5v reg and BEC)
battery 195
servos 3 x $40 HS-625MG super torque
and 1 x $99 Fut S9254 gyro servo.
I have two diff rx's and one fut 401 gyro already, so I wont add them to the cost. I'm sure I'm forgetting something here..
Oh yeah! Blades will be another $70.. The heli does not come with blades.
All bought from my local hobby store, who is awesome to have all of this in stock! They won't have another TREX 600 shipment in for another week atleast. Horizon DID start carrying TREX, and that shipment is on it's way here, or so says the employees at Pegasus Hobbies...
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07-19-2006 06:01 PM  14 years ago
JeffM1999

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Erie, CO

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That is good news. The canopy thing should be an easy fix, just get a rappy bottom mount and do the screw mod to it. Where did you get your kit from? How much?

I didn't realize the parts were anodized green, that is pretty cool!

I am drooling for my 600 right now! You lucky bastard!
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07-19-2006 06:02 PM  14 years ago
JeffM1999

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Cool, answered most of my questions before I could even ask them.
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07-19-2006 06:07 PM  14 years ago
sincity

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Pasco, WA

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Just flew my buddy's 600 a couple of days ago. I'd say it was ok. It wasn't the power house you seem to see in some of the videos, but then again he was only pulling 11 degrees positive pitch and running the 10 tooth pinion. Word is if you really want the punch, go for the 11 tooth.

He still has a bit of fine tuning to do, but all in all, it's a pretty nice chopper.

Shawn
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07-19-2006 06:08 PM  14 years ago
JeffM1999

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Erie, CO

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Anyone making any hotter motors for it yet? Hacker/AON/Medusa...??
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07-19-2006 06:21 PM  14 years ago
caseyjholmes

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Portland, Oregon

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I'd imagine one of the hacker linup would do. They have some huge motors now. The hacker on my mikado worked good for 3d untill I got that PCM lockout =P Never got hot either.
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07-19-2006 06:32 PM  14 years ago
steph280

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Irvine, California

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They will have the mitered/helical gear as an option with larger range of gear ratios available.

Any of the popular Raptor conversion motors will work, if you can get them to fit in the frame. Hacker A50 motor will require grinding some carbon away from the frame to fit. Plus you will need to swap out the ESC if you want to go anything beyond 6S.

Canopy mounting is perfectly fine. The heli was flown pretty hard by Jason Krause and the Szabo brothers. If it can withstand their test flights, I doubt any of us will be able to make it eject.

Good build thread Cassey.
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07-19-2006 06:40 PM  14 years ago
caseyjholmes

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Portland, Oregon

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I forgot to mention...
The helicopter manual recomends putting the battery on the TOP tray, where you see I have put the ESC. They make this tray adjustable for balance. This tray makes the balance of the heli worse, so I put the battery as far out as I could on the nose, on the bottom tray, which holds better because there is a battery strap notch on the frame there. I know this will offset central balance some, but I don't care. Look at the gas tank on the raptor and tell me my battery is in the wrong spot =D.
One hefty align strap is all it takes to firmly secure the battery in this position, and it WILL NOT MOVE unless the helicopter is nosed first into the ground. (I will use two straps anyways. Imagine this battery if it slipped out the canopy and hit a blade!)
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07-19-2006 06:43 PM  14 years ago
JeffM1999

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Erie, CO

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Good to know. I have tail heavy issues on both my 450SE's and that's basically what I had to do with them also, put the batt. on the flat tray all the way towards the front. Keep the info and pics comin' casey!
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07-19-2006 06:50 PM  14 years ago
caseyjholmes

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Portland, Oregon

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The thing you have to keep in mind, is moving the battery away from the central line of the heli (draw an imaginary line through the tailboom and through to the front of the heli. Then imagine the heli is on it's side, and the line through the heli is now a balance point) Will reduce the roll rate of the whole bird. IF it would need a faster roll rate, you could move the battery back up to the top tray. That is why they say to put it there in the manual. IT makes sense, they just didn't make the top tray extend far enough out front of the heli to achieve balance, so I slapped it on bottom and made the balance better some, while sacraficing roll rate in return. The battery is mounted better on the bottom tray anyways, and seems more secure.
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07-19-2006 06:56 PM  14 years ago
caseyjholmes

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Portland, Oregon

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A shot of the 3rd mainshaft bearing and it's mount..
This was a great idea to improve chassis rigidity. I am happy to see this on the helicopter. Like the 450, the 600 is stamped with a serial number on the CF frame. It also came with a pack of servo mounting hardware, as well as the hardware that came with the servos. I had a nice choice of hardware to mount the servos with in the long run..
But not much for mounting hardware was provided for the tail servo in the CF tail servo bracket. So I used those aluminum raptor 50 SE servo mounting tabs and a few self tapping screws with some washers.

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07-19-2006 07:32 PM  14 years ago
JeffM1999

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Erie, CO

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Ya, I agree you do sacrifice some roll rate, and you get what I call "pendulum effect" when stopping a roll suddenly the chopper sometimes sways back and forth very slightly, but I found this to be better than having to hold up elevator all the time when inverted.
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07-19-2006 07:40 PM  14 years ago
caseyjholmes

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Portland, Oregon

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Got the BEC and the RX lipo mounted. I Was about to drill some holes to mount the lipo with a ziptie but I found align had already molded holes into the frame right where I wanted to place the rx lipo. Excellent! I didn't see them there before. They are rectangular and small, obviously made for ziptying' something in that spot. Very cool.
All the wires are running inside the frame accept for the elevator servo, which I will have to shield with protective coating wrap where it pases through the sharp carbon frame so it doesn't get cut from rubbing during vibration. The last part I will need is an extension lead for the esc, since it is way up front on the heli, and as far away from the rx as possible. I might just solder some leads I have laying around. then it's time to mount and solder in the 401 and mount the Rx..
oh, and the ESC came with a ferrite bead (ring ferrule noise reducer thingies) installed already, no need to go buy one of those either
In fact, they installed it before soldering the signal power and ground wires to the esc, so you can't take it off =D

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07-19-2006 07:54 PM  14 years ago
patriot21

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Byron,MN

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Holy cow... i thought my trex450 was expensive with everything for a 6 minute flight...I don;t think i will venture into the 600 ...
I will keep flying nitros in that size category..
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07-19-2006 08:02 PM  14 years ago
caseyjholmes

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Portland, Oregon

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So will I. Just remember, if my electric lasts as long as your nitro does without smashing to a million pieces, Mine will be cheaper because you bought a bunch of gas and glowplugs.
Don't get me wrong, I love my raptor and still fly it all the time. Just felt like a new big electric. My mikado was a disaster with the pcm rx, more than once. At the time, the mikado logo 3D was $600, and I went through 2 logo 3d's and a logo 10 due to lockout. This time, I'll take radio interferance over PCM lockout, and chance running to recover the heli over no control of what it does when it gets locked out.
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07-19-2006 08:36 PM  14 years ago
JeffM1999

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Erie, CO

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Just remember, if my electric lasts as long as your nitro does without smashing to a million pieces, Mine will be cheaper because you bought a bunch of gas and glowplugs.
Also, you don't have to deal with electronics and mechanics getting covered in oil and having to clean that up all the time, and having to take a beach towel with you everywhere you go to protect the interior of your car. E-Heli's are the way to go IMO, I am hooked!!
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Home✈️Aircraft🚁Helicoptere-AlignOther › Trex 600 CF pics/assembly/video
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