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Atom 6HV, 6HVU and 550 Ultimate Compass Atom 6HV, 6HVU and 550 Ultimate Model Helicopter Discussion


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Old 06-03-2016, 01:01 AM   #501 (permalink)
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I know I am WAY late to the party, but here is mine, just got it today, it's under construction now, but I'm tired and need to sleep.

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Old 06-04-2016, 09:19 AM   #502 (permalink)
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Quote:
Originally Posted by cycled View Post
Wanted to show off my 6HV U

3869g flying weight, of which
- 157g canopy (why so big?)
- 1043g battery (Nanotech 3300 35C 6s 2)

The battery packs are placed about 1cm forward from the back of the tray, so I may try bigger next time (will Turnigy 3600 30C work?).

Futaba BLS272 servos, Xpert 2202T on tail
HobbyWing 100HV and 10A UBEC
Savox BSM 4760 530kV
R2 50F cap buffer
UniSens-E
Spirit Pro






Really pleased with the electronics. The ESC is probably slightly over-rated for my current flight style, but I'd prefer that to under-rated. The Savox motor is performing excellently; plenty enough power so far and quite a bit lighter than the Scorpion 4035.

You may notice how I've installed the reciever antennas on the rear strut. Seems good. According to the logs the telemetry signal is a little weak and drops out sometimes but the control reception is excellent.

Only negatives:
- I've had a couple of issues programming the UniSens-E and MZ-24, but got it working eventually
- The canopy is humongous... I may try the 550 version at some point, even with a 12s battery
- My bird's nest of wires under the battery tray (I may remove the anti-spark since the XT90-S anti-spark is working fine)

Bonus pic
Looks good! It takes some effort to clean up the wiring because of the narrow frame. However the narrow frame makes it robust.
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Old 06-04-2016, 09:26 AM   #503 (permalink)
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Did some modding on the canopy to accommodate the ESC fan. The ESC was getting really hot with the rising ambient temps. The fan helps cool it down big time.





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Old 06-25-2016, 10:45 AM   #504 (permalink)
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Done flying by 9 AM before the temps get too hot.

My two summer workhorses... 550U and Atom 550:



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Old 07-05-2016, 11:10 PM   #505 (permalink)
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the stockmotor of the 550 ultimate is such a beast i like it

2300 upm 75% throttle

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Old 07-16-2016, 07:51 PM   #506 (permalink)
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All Stock, Align servos, Robird.

Last edited by MGC1; 07-18-2016 at 06:24 PM.. Reason: More info
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Old 07-18-2016, 10:45 AM   #507 (permalink)
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Nice looking boom supports and skids MGC1 I think a set of 620 KBDD blades would match perfectly https://www.amainhobbies.com/kbdd-in...FZNhfgodqAoIrQ
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Old 07-18-2016, 11:45 AM   #508 (permalink)
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Ooh those would look great!!!
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Old 11-12-2016, 04:30 AM   #509 (permalink)
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My 6HV U
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Old 11-24-2016, 06:49 AM   #510 (permalink)
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Good news from the German forum, new canopy design posted!
br,
Christian





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Old 12-18-2016, 12:04 PM   #511 (permalink)
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exo inspired !? ooooh, that looks nice. I'm going to have to pick one of these up at some point. I wonder if they'll be doing a green also?
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Old 01-01-2017, 12:13 PM   #512 (permalink)
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First couple of flights of the year on my 550U

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Old 04-08-2017, 11:36 AM   #513 (permalink)
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After crashing my Atom 500, my 550U has now become my primary beater/workhorse heli.

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Old 11-02-2017, 03:36 AM   #514 (permalink)
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Quote:
Originally Posted by cyclo View Post
Did some modding on the canopy to accommodate the ESC fan. The ESC was getting really hot with the rising ambient temps. The fan helps cool it down big time.




I am trying to find out the best receiver placement and your position at the bottom of the frame looks really nice. But how did you get that mounted? It looks like it is a bit below the actual frame on a metal mount?
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Old 11-02-2017, 07:29 AM   #515 (permalink)
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Quote:
Originally Posted by Hobee View Post
I am trying to find out the best receiver placement and your position at the bottom of the frame looks really nice. But how did you get that mounted? It looks like it is a bit below the actual frame on a metal mount?
I used an aluminum plate and just bent it to accommodate the flat of the rx... You can use aluminum from a soda can too although the one I used is hobby aluminum plate which is slightly thicker than soda can aluminum. The plate is attached to the side of the frame using double sided tape and the rx is attached to the plate using double sided tape. Works well and has been through at least two crashes.All that is needed is to bend it back.

Last crash a few weeks ago after the EC5 desoldered while practicing tic tocs in 30C plus temps and the 550U fell from at least 30 feet up with no power:



Only damage were the Chronos CF skids, tail fin, and the main blades. 550U back in the air the next weekend... Here is a pic I took last weekend at the flying field... This is one tough beater.

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Old 11-02-2017, 08:21 AM   #516 (permalink)
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Quote:
Originally Posted by cyclo View Post
I used an aluminum plate and just bent it to accommodate the flat of the rx... You can use aluminum from a soda can too although the one I used is hobby aluminum plate which is slightly thicker than soda can aluminum. The plate is attached to the side of the frame using double sided tape and the rx is attached to the plate using double sided tape. Works well and has been through at least two crashes.All that is needed is to bend it back.

Last crash a few weeks ago after the EC5 desoldered while practicing tic tocs in 30C plus temps and the 550U fell from at least 30 feet up with no power:



Only damage were the Chronos CF skids, tail fin, and the main blades. 550U back in the air the next weekend... Here is a pic I took last weekend at the flying field... This is one tough beater.
Thanks for the pictures, although it hurts seeing damaged bird lying on its back! But I am glad the damage was not so bad and you were up in the air quickly!

I think now I found the exact location for one of my two sattelites ;-) I guess I will get a lemon-rx satellite with long antennas as second one and have them go diagonally over and under the boom.

Thanks!
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Old 01-25-2018, 06:01 AM   #517 (permalink)
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Finally I finished rebuilding the heli. What a beautiful heli, I am really amazed! And compared to my T-Rex 500 it is huge.

I can't wait to maiden it, but just looking at it is fun already!






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Old 01-25-2018, 11:28 AM   #518 (permalink)
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^^^ That 6HVU looks sweet!

Here is a pic of my 550U taken late last year...

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Old 03-15-2018, 07:59 AM   #519 (permalink)
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I love my 6HV Ultimate! What a beautiful machine. And the visibility of the canopy is really good, even with grey sky!

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Old 03-15-2018, 09:04 AM   #520 (permalink)
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Quote:
Originally Posted by Hobee View Post
I love my 6HV Ultimate! What a beautiful machine. And the visibility of the canopy is really good, even with grey sky!

Excellent pic! I also love my 550U and was actually thinking about building a 6HVU to complement it but shelved the plan after learning that the 550U/6HVU were discontinued. The 550U makes for a great beater heli... Fly's really well and can take punishment.

My opinion is that it would have been nice to see both models still in production. Parts are interchangeable between 550U/6HVU and many components are also used in the Chronos like most of the tail assembly parts.
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